1、PROFESSIONAL DESIGN: Dive housing specially designed for Insta360 X3, the dive case is completely clear in 360 degree shots, and the shots are unobstructed. Seamless stitching underwater. 2、POWERFUL WATERPROOF PERFORMANCE: The dive housing case features a professionally sealed construction that allows for deep dive waterproofing up to 50m/164ft, making it suitable for diving, surfing, snorkeling and other water sports. 3、LENS MATERIAL: Action camera dive case is made of optical imaging tempered glass, lens transmittance is more than 98 percent, clear shooting picture, lens surface is slick and flat, no distortion in shooting pictures. 4、HIGH SEALING: Dive case adopts symmetrical locking, very reliable structural performance. The shell is thickened, more solid, not easy to deform, airtight and non leakage, effectively preventing water from entering the camera. 5、CAUTIONS: The waterproof housing case prevents water drops from damaging your lens. Without a housing, it is not recommended to rub for ONE X3 lens, especially in the ocean, seawater and sand will scratch the lens.